Lock



Jan. 17, 1928..

M. WILDRICK LOCK Filed Feb. 15, 1926 al@ WM,

By Attorneys, @my

INVENTOR atented Jan. 17, 1928.

UNITED STATES PATENTN oFFlce. f

MEAGE TL'LDRICK, OF SAVANNAH, GEORGIA, ASSIGNGR, BY MESNEASSGlNTi/IENTS, TO THE SESAMEE COMPANY, OF HARTFORD, CONNECTICUT, ACORPORATION 0F CON LOCK.

Application led February 'E his invention relates to improvements inpermutation locks,`sometimes called combination locks, -saidimprovements being ot general application to locks of the type mentionedirrespective of their' intended use,but herein disclosed ttor purposesof illust-ration in the form ot a combined door latch and lock. y

@ne of the novel features of the lock comprises a permutation mechanismto control the movements of a locking member, said mechanism includingpairs of movementobstructing elements of which one element ot each vpairis provided with a part which obstructs loclmfeleasing movement oianother oi said elements except when one of the elements of eachpair hasbeen set in a predetermined position, the elements which cooperate withthe settable elements being shiftable to varying relative positionswhereby the combination of the loclr may be changed.

is herein disclosed, the settable movement-obstructing elements arerotatably mounted in a casing or housing and have portions ot theirperipheries exposed tor n'ianipulation. The cooperatingmovementobstructing elements are rotatably mounted upon an extension ofthe locking member in concentric relation, and have heads whereby theymay be shifted trom one position to another to change the cou'ibination,means being provided to hold them in any position 'in which they areset.

A further object' of the invention is to provide the locking member withan operating bar spanning the movement-obstructing elements of thepermutation mechanism and connected with the opposite ends of the partot the locking member surrounded thereby, said operating bar providingmeans whereby a manipulator may be disposed in any desired location inthe housing and serve as a means through which the locking member may bemoved from effective to ineffective position, and viceversa, through theagency et an operating connection between the manipulator and th-eoperating bar.

lin the drawings illustrating the preferred form ot the invention`,- y

Figure l is a vertical section through a lock on the line 1-1 of Fig. 3viewed in the di ection indicated by the arrows, said locl having theabove-described features ot im- 15, 1926. serial No. 88,264.

provement applied thereto, the parts being indicated in their normalpositions, the locking member being shown in its holding position, and.the settable movement-obstructing elements being represented in theirset position, to permit tree movement of the locking member.

Fig. 2 is a similar sectional view ot the lock, the locking member andassociated parts having been moved to release position.

Fig. 3 is a vertical section through the lock on the line 3-3 ot Fig. lviewed in the direction indicated by the arrows.

Fig. 4t is a horizontal section through the lool; along the line t-i ofFig. 2 viewed in the direction indicated by the arrows, the positions olthe various parts being the same as those represented in Fig. l.

Fig. 5 is a view in cross-section on the line 5 5 ot Fig. l viewed inthe direction indicated by the arrows, said section being taken througha part of the locking member and the detachableconnections between 'saidmember` and the operating bar.

Fig. 6 is a perspective view of one of the pairs ot'movement-obstructing elements, one of said elements being in the form ofa dial wheel or permutation wheel, and the other in the :term of a`sleeve having a stop to cooperate with the dial wheel and anindiciabearing head whereby it may be shifted to various positions.

Fig. 7 is a detail view ot one end of one oi the permutation wheels,illustrating means whereby diderent positions in which it may be set maybe ascertained independently otl the use ot visible markings and similarmeans whereby a definite position of reference may also be ascertained.

In the preferred form or the invention herein disclosed it comprises a.`locking member in the form of a reciproca-table bolt or latch elementQ0, mounted in a. casing or housing 2l, and'movable from a holding oreitective position. illust-rated in Fig. 1, to a releasing orineffective position, illustrated in 2. To'control the movements ot' thelocking member a permutation mechanism is provided, comprising pairs ofmovementn obstructing elements of which one element of each pair may bemounted in the casing and the other on the locking member. It isimportant that these elements be so formed Cil that one has a partadapted to prevent loch-` controlling movements `of the other exceptwhen one of said elements is set in a predetermined position. Theelements of each pair may, if desired, be arranged in end-toend relationwith their axes in alignment.

In the preferred form herein disclosed, the pairs ofmovement-obstructing elements comprise settable permutation wheels 22having peripheral portions extending through slots 23 in the casingwhereby they may be set, and sleeves 24, 24,24provided with stops orabutments 25 adapted to pass through slots 26 in the permutation wheelswhen the wheels have been so set as to bring the slots in registrationwith the abutments.

The concentric sleeves 24, 24', 24 may be rotatably mounted upon anextension 27 of the b olt or bar 28 to which the locking member 20 maybe secured or of which it may form a part.

The permutation wheels may be supported upon, and journaled lor`rotation about, the sleeves 24, 24', l24" respectively, and endwisemove-nient of said wheels may be prevented by means of partitioningmembers 29, 30 which may form fixed parts ol the casing. The lockingmember and parts connected therewith may be rso mounted as to moveendwise in the casing through openings or guideways 31, 32. 33 locatedrespectively in the end wall of the casing and in the partitions 29 and30.

Each of the permutation wheels may be provided with an extension 34 ofcylindrical form, the inner diameter of which may be of a size suiioientto provide a clearanceway for the associated abutment 25 and Jermittreerotation ot the wheel except w ien the abutment has been moved into itsslot 26. The outer surface of each extension 34 may serve as a drum orbrake-wheel to co operate with a brake-element 35 (Fig. 3), which may besecured to a neighboring part of the casing by means oit' a screw orother appropriate fastening device 36. The eXtensions 34 andbrake-elements 35 serve as means whereby the permutation wheels may beretained in the various positions in which they may be set.

Suitable means may be provided whereby the locking element may be movedfrom its eiiective position, indicated in Fig. l, to its ineffectiveposition, indicated in Fig. 2, when the permutation wheels have been soset as to bring the slots 26 in registration with the abutments 25. Asherein disclosed, such operating means comprises a knob 37 journaled inthe casing and having. as a part thereof. a pinion 38 in meshed relationwith a rack 39 forming part ot an operating bar 40 so disposed as tobridge or span the permutation wheels, and having its ends connectedwith the ends of the vbolt structure and associated parts which aresurrounded by said wheels. As illustrated in Figs. l to 4, inclusive,the operating bar is so disposed as to move lengthwise through openings4l, 42 in the partitions 29, 30. It is provided at one end with anangular attaching elcment 43 in which the sleeve 24 is journaled. At itsother end it is provided with an attaching element 44 which, for reasonsto be hereinafter set forth, is detachably secured to the main part ofthe bar by a screw or other suitable fastening device 45 (Fig. 5) and tothe bolt portion oi the locking element 2S by a screw or other suitabletastening device 46.

`It' desired, a. spring 4T may be provided, normally tending to maintainthe locking element in its holding or eltective position and capable otreturning it to such position when removed therefrom, if free to do so.This spring, as clearly indicated in Figs. l, 2 and t3, may be confinedbetween the partition 29 and the attaching element 44 ot' the operatingbar. l

The manipulator 37.1nay be held in its assembled relation in the casingby fastening means of any appropriate character, such. 'for example, asthe ring 48 and screw 49 illustrated in Fig. 3.

The positions to which the permutation wheels must be moved in order tobring the slots 2G in registration with the abutmeuts 25 may be varied,and the combination ol the lock thereby changed, by shifting therelative positions of the sleeves 24, 24', 24 and thereby varying therelative positions oi' the abutments. T o facilitate the change of thecombination in this manner, the sleeves may be provided withindicia-bean ing heads 50, 50. 50 whereby they may be independentlyrotated. It desired, the heads may be detachably, but non-rotatably,secured to their respective sleeves by means oi lugs or keys 5l whichmay extend into slots or keyways provided therefor in the heads, as bestillustrated in Figgt. '.lhe sleeve-shitting heads 50, 50', 50 may beheld in any of the various positions to which they may be shifted, bymeans ot' a catch or other suitable retaining element 53. This retainingelement may be pivotally connected with the angular attaching element 43of the operating bar, as at 54, and may be swung about its pivotalconnection with said element 43 to a position such as to release thesleev`e-shitting heads and permit their movement to any desiredposition. The retaining element 53 and its mounting may be soconstlucted as to be maintained in cliective positien by the frictionbetween the parts of the pivotal connection 54, or the retaining elementmay be yieldingly held in eiliective position by a spring (not shown).

,As a means of determining the various positions in which each of thepermutation wheels may he set, the outer surface of its lll) vLacasse bedivided into `ten corresponding portions which may be differentiated4 bymarkings ot any aliipropriate character, such as a `Zero (O) and thedigits l to `9. Suchmarkings aiiord visual means useful in setting thepermutation wheel. These visual. markings,

however, may be dispensed with, since the invention conn'nrises` `meanswhereby a de` iinitc position of reference or zero position may bedetermined by the sense of touch or by the sense of sound, after whichthe wheel may be set in any ot its variouspositions as related to suchZero position, without the aid ot visual markings.

As best illustrated in Fig. all butone ot the depressions 55 aftordcam-like surfaces adapted, on rotation of the permutation wheel ineither direction, to litt the head 56 ot the detent out ot thedepression and permit the continued movement ot the wheel. One ot saiddepressions, however, is provided with a cam-like surface 57 adapted, onrotation ot the wheel in one direction indicated by the arrow inFig. 7,to litt the head 56 and treethe wheel from the detent. Said depression,however, and the head ot the detent are provided with cooperatingsurfaces 58, 59 adapted to bebrought into a movement-obstructingrelation on movement of the permutation wheel in a direction opposite tothat indicated by the arrow and prevent further rotation of the wheelafter said surfaces have been brought into a contactiug relation. Thesemovement-obstructing surfaces atiord means whereby a definite positionot reference ymay be determined without reliance upon visible markings.Any position ot the wheel relative to such position o't' reference mayalso be determined in like manner because ot the resistance to rotationset vup between the detent and the wheel whenever'the head ot the detententers one ot the depressions 55.

y ln order to facilitate the setting ot the tock to bey opened inaccordance with any desired combination, the markings .on thesleeve-shifting-heads 50, 50, 50 may be applied according vto some knownrelationship between the abutments 25 on the sleeves, the slots 26 inthe permutation wheels, and the zero positions or positions ot referenceot' said wheels. For example, they may be so related that the abutmentsand slots will all be in registration, as indicated, in Figs. 1, 2, 3and 4, when the zero markings on the permutation wheels are centrally.positioned withrespect to the slots 23 in `thecasing and when thezeropositions oit' the sleeve-shifting heads are directed toward the reartace ot the lock so as to be exposed in positions adjacent the heads otthe detente 35 on rcmoval ot the cover-plate GOiFig. 3) with themarkings applied in the order in which they are indicated in Figs. 2, land 7 of the drawings. If any sleeve-shifting head is shifted to aposition such that any other marking takes the place of the zero, as,:tor example, 7, the permutation wheel will have to be moved to itscorresponding position in order to bring its slot in registration withthe associated abutment 9.5. It the pc riplicriesv ot' the permutationwheels are numbered i'rom O to 9, this may be ettected by rotating the'wheel until the 1numbier 7 is centrally located with respect to the slot23 in the casing. It it is desired to set the permutation .wheel withoutreliance upon visible markings, as, for example, when it bccoi'nesnecessary to operate the lock in the dark, the permutation wheel may berotated in the direction opposite to that indicated by the arrow in Fig.7 until it is brought to rest by the detcnt. This apprises the operatorthat the wheel has been brought to its zero position. It can then bemoved to its 7 position by rotating the wheel in the. opposite directionand counting the successive `positions l, 2, 3, etc., through which thewheel is rotated as the head olf the detententers the variousdepressions 55. This can' readily be perceived by the sense ot touch orby the sense ot sound in view of the clicking noise which will be madeas the detent enters each recess. It desired, means may be providedwhich will prevent the discovery of the-positions of the slots 26 in theinwardly-directedflangelike portions 61 which forni themovementobstructing parts of the permutation wheels, by rotating theknob sui'l'iciently to bring the abutinents 25 in Contact with saidniove- :ment-obstructing surfaces, and their rotat ing the permutationwheel until'. the slotted portion is brought into registration with saidabutments. Such means may comprise a series of recesses G2 spaced inaccordance with the different positions in which the permutation` wheelmay be set, and cach having an entrance portion conforming with theentrance portion of the slot 26. These false slots will prevent thedetection of the real slot byan attempt to ascertain the combination ot'the lock in the above-described manner, since 4the sensation produced bythe false slots will be identical with that produced by the real slotand prevent one from being distinguished from the .other through thesense ot sound or the sense of touch.

The detailed form and construction Vof parts ot the lock will varymaterially in accordance with the specific use to which it is lilfi tobe applied and the manner in which it is to be assembled anddisassembled.` form herein disclosed, the lock may readily be assembledas followsz- The permutation Wheels may first be inserted with theirslots 26 in alignment with each other and with the slot G3 in thepartition 30.

The sleeves 9a, Q4', 24 may then be assembled, one Within the other,with their abutments in alignment and in registration with the slots inthe permutation Wheels. These parts may then be introduced through theopening in the left end of the lock as illust ated in F ig. l. theabutments 25 being passed through the slot 63 in the partition and theslots 2G ot' the pern'iutation Wheels. y y

The springr @L7 and detachable attaching,r element 4 4 ot the operatingdevice may then be inserted from the rear ol the. casingfand theoperating device t0 introduced from the left, after which the lockingmember may be inserted from the right and the parts of the operating'member and locking member se cured together by the screws and 4G, anopening (S4 being provided in the casing for the insertion of the screw4G, il desired. The heads 50, 50 may then be applied to the sleeves 24,24e', 24, and the heads, sleeves and locking member secured in assembledrelationby means ot a. nut or other suitable fastening element (i5.

The manipulator 37 may next be inserted from the :tace ot the lock, thedetents secured in place from the rear, the covei-plate G0 applied andsecured by screws or other suitable fastening` devices 66, andthemanipulator secured in position by the ring 48 and screw 19. i p iThe loclr may then be inserted in an opening; prepared for the purposein the kdoor or other object on which it is used, and held in place byappropriato 'fastening devices, as, tor example, the screws 67. Y

The operation of the lock may non" be readily described. lVith the partsin the positions illustrated in Figs. l, 3 and ll the mechanism iseliective as an Ordinary door latch. If the manipulator be rotated in acounterclockwise direction as indicated in Fig. l, the locking memberWill be moved to the left to the position indicated in Fie. 2, and thedoor or other object to which the lockis applied maybe opened. Onreleasing the manipulator the lockingmember will be restored to theposition indicated in Fig. l, by thespring' 47. Should it be desired torender the lock effective, this may be accomplished by rotating one ormore of the permutation wheels 22 out of set relation, after `whichmovement 'of the"l0cking member is prevented by the part 61 of thepermutation Wheel and the abutment 25 i of the associated sleeve. Thelocki1"igmember In the may then be` released `only by restoring thevarious permutation wheels to seti position so as to bring the slots 26and the abutments 251m alignment.

If it is desired to maintain the lock or latch in an ineiectiverelation,this may be accomplished by rotating the manipulator in acounterclockivise direction until the locking member is moved to theposition indicated in F ig. Zand then moving; one or more of thepermutation wheels out ot' their set position While retaining the otherparts of the mechanism in the positions indicated in Fig. 2. The returnot the locking member tothe position indicated in Fig. l by the spring47 will then be prevented by the move ment-obstructing clcmentsot thepermuta tionmechanism. Yet each of the permutation wheels may be rotatedWithout limit, the movement of the lockingr melnber from the positionshown in F ig. l to the position shown in Fig.2 being such as to causeeach abutment to pass entirely through the slot ted portion of theassociated pern'lutation wheel and come to rest Within the part of thenext permutation Wheel which atlords clearance space providinr for itsrotation. lVhenit is desired to restore the lock to the conditionillustrated in Fig. l the permutation Wheels need only be returned toset position, after which the lochiingr member will be shot to itseffective position.

When it is desired to change the combination of the lock, the face-plateis removed, (or an opening may be provided therein for such purpose),the retaining member 53 lifted to a position such as to free thesleeve-shifting heads 50, 50', 50, after which the positions of theabutments 25 may be varied in any desired manner, dependent upon the newcombination to be used in the releasingo' the lock. The retainingelement-E should then be returned to itsliolding` position and thetace-plate reapplicd.

In orderthat the locking member and associated elements may 'freely moveto the `ineffective position indicated in Fig. 2, with the abutments 25set for operation in accordance with any desired coml'iination, acylindrical channel GS is provided in the partition 30 affording,rclearanceivay for the abutment in any position in which it may beplaced.

`It will be apparent that an important feature of the lock is theprovision of the pairs of inovement-obstracting elements of which one`element has a part preii'enting movement of the other except when setin a predetermined position. It is a mat-ter of little importance whichelement of each pair is mountedin the casing andwvhich is mounted on thelocking member. The relative pos`itions ofthe various pairs of elementsare also a matter ot little importance, although the end-'to-endconcentric relation herein disclosed results in a relatively compactstruclao ino

sired to change the combination oi' the lock` and which set is intendedto be manipulated at each operation `tor locking and loch-relll leasing`purposes. All that is essential in this respect is that the partsintended to tix'the combination shall be inaccessible when thestructure, to which the lock is applied, is locked, and that the othersetolx elements shall be accessible at such time so that they may bemanipulated to set the loelr inaccordance With the predeterminedcombination; l

The invention is not intended to be limited to the specific form hereindisclosed for purposes of illustration, but should be regarded asincluding` modifications and variations Within the scope of the appendedclaims. f f l l. A combination lool; 'having1 a locking` memberandapermutatioii mechanism to control the movement thereof, saidmechanism comprising pairs ot cooperative movement obstructing elements,one et 'the movement-obstructing elements oi each lpairhaving parts sodisposed astolie in the `path of locl-controlling` movement` oli apartot the other except When one et the movement-obstructingr elementsis set in apredetermined position with respect to the other, the'inove'-ment-obstructing elements which cooperate with the said settableelements being shift-k able to various positions relative to each other,whereby the lock maybe selectively set ior operation in accordance withany one of a number ott diiterent combinations.

2. A; combination lock havinprr a locking member and a `iermutationmechanism to control` the inoven'ient thereot,"said mechanism comprisingpairs of cooperative' movement-obstructing elements, oneoli themovement-obstructing elements of each pair having parts so disposed asto lie in the path oi loch-controlling movement oi a part of the otherexcept when one of the movement-obstructing elements is set inapredetermined position with respect to the other,themovement-obstructing elements which cooperate with the said settableelements beingi shiitable to various positions relative to cach otherand having indicia-bearing heads connected therewith, whereby they maybe shitted to selectively condition the loch ilior operation inaccordance with any one of a number oit different combinations.

S. fr combination lock having a locking member and a permutationmechanism to control the movement -thereof, said mechanism confiprising`pairs of cooperative movementobstructing` elements, one of the elementsot each. pair having parts so disposed as to lie in the path oitloch-controlling movement of a part of the other except when one of theelement-s is set in a predetermined position With Vrespect to theother,the elements Whichcooperate with the said settable elements being`shiittable tovarious positions ."ive` lo each other and provided lWithly relcasable means by which they may be retained in any one of a numberof positions to which they may be shifted, whereby the loci: may beselectively set `for operation in accordance with any one of a number ofdifferent combinations by releasing saidr retaining means and movingthesaid shiftable movernent-obstructing element-s to appropriate relativepositions.

Ll. fr combination loch having' a locking member and a permutationmechanism 'to control the movement thereof, said mechanisni comprising`pairs ot cooperative movement-obstructing elements,` one `of the elef44ments el each pair having parts so disposed as to lie in the path ofloch-controlling movement ola )art ofthe other except when oneoi` theelements is set in a predetermined position Wit-e respect to the other,the elements which cooperate with the said settable elements shittableto various positions relative to each other, indicia-bearing h'ealdseach "eonnectedivith one oi said shiftablemovementobstructingelementsand servinp; asm'eans whereby it may be shifted to changethe'combination of the lock, and a single releasable catch servingas` ameans whereby said heads may be retained in any of the various rel(tions in accordance with which they maybe shifted.y

dc/combination lock having la `locking` member and a permutationmechanismto control themoveinent thereof, said mechanism comprisingpairs of cooperative movement-obstructin` element-s, one of the elementset each pair having parts so disposed as to lie in the path oflock-controlling` movement of a part of the other except when one oftheelements is set in a predetermined position with respect to theother,the settable element of each pair being` provided With meanswhereby certainv of its relative positionsv with respect vto the otherelement of the same pairmay be readily perceived, they elements "whichcooperate with said settable elements being` shiitable tovariouspositions relative'to Aeach other and bevi-.ngL indiciaA`bearing' heads connected therewith whereby they may be shifted toselectively condition the lock for operation in accordance with any oneot a number ol different combinations, the indicia on the head of eachpair oit elements being disposed in accordance with the variouspositions to which the settable element of thesame pair may be moved andbeing correspondingly related to a dei'inite position oi reference ofone of said elements with respect to the other. l

6. it combination lock comprising a llo All

mounting member, a locking membermounted therein and movable relativelythereto from 'an effective tol an ineii'ective position, and vice versa,and a permutation mechanism to control the `movement of said lockingmember, said mechanism eoniprising pairs oi cooperativemovement-obstructing elemen ts, one of the movementobstructing elementsof each pair having parts so disposed as to lie in the path ot movementof a part ot the other exceptwhen one of the 1novementobstructingelements is set in a predetermined position with respect to the other,,one ot' the movement-obstructing elements oi each vpair being mountedin said mounting member and the other on said locking member, therespective moueii'ient-obsti'ucting elements so associated with each ofsaid members being yariably settable in diii'erent relative positions,whereby the lock maybe se lectively conditioned for operation inaccordance with any one of a number of different combinations by varyingthe relative positions of the movementobstructing elements supportedbyone of Said members and may then be set in its locked or its unlockedrelation by moving the move1nent-obstructing elements supported by theother of said members into or out of a set relation con` forming withthe particu-lar combination selected. i i i i e 7. A combination` lookcomprising a mounting member, a locking member mounted therein andmovable relatively thereto from :ineffective to an ineffective position,and vice versa, and a permutation mechanism to control the movement ofsaid lockingr member, said mechanism comprising pairsioi.

cooperative movement-obstructing elements, one of the elements of eachpair having parts so disposed as to lie in the path of movement of apart of the other except when one ot the elements is set in apredetermined yposition with respect to the other, the Settable elementof each pair being mounted in said mounting member and movablerelatively thereto into and outfof its set position, and the otherelement of each pair being mounted on saidv locking member but shitablefrom one position to another with respect thereto, whereby thecombination of the lock maybe. changed by varying the relative positionsof the movement-obstructing elements mounted on the locking member.

8. A combination lock comprising a mounting member, a bolt mounted forreclprocation therein, concentric tubular v sleeves rotatably mountedupon an extension oi said bolt, said sleeves being oi. differentlengths, disposed `with the longer of any two innermost so as to leaveau end I'iortion of each sleeve exposed, permutation `wheels snrroundingthe' exposed end portions oi said sleeves, pairs ofinovenientobstructing elements each pair comprising an element ear riedby one or' said perniutal'ion wheels and an element carried by theexposed end of one ofsaid sleeves, the element carried by cachpermutation wheel being' so disposed as to lie in the path obolt-releasing' movement of ay part of the paired element carried by oneof said sleeves except when set in a predetermined relation. headsconnected with Said sleeves `whereby they may be moved ifo variousrelative positions to change the combination of the lock, andi'eleasable means whereby said sleeves may be retained in the variousrelative positions to which theymay be moved.

9. A eoml'iination lock comprising a mounting member,` a bolt mountedJfor reciprocation therein, aligned permutation wheels surrounding apartoi said bolt, movement` obstructing*elements carried by said boltand ,said Wheels and capable of being' set :in lotli.`

mg or lock-releasing relation by variably positioning said wheels, anopcratingbar extending;l from said bolt in substantial par-` allelisniwith the `part surrounded by `said Wheels but externally disposed `withrespect to thelatteiyand a manipulator having an operating connectionwith said bar.

l0. A` combination .lock `comprising a mounting` member, a bolt mountedfor reciprocat-ion therein, aligned permutation wheels surrounding apart oi said bolt, movementobstructing elements carried by said bolt andsaid wheels and capable of being set in locking or lock-releasingrelation by Variably positioning said Wheels, an operating;r barspanning said wheels and connected with the kopposite `ends o't the partsurrounded thereby, and a manipulator haiL ing` an operating connectionwith said bar.

In witness whereof, I have hereunto signed my name. i

MEADE Witnmoie CERTIFICATE 0i? CGRREQTN.

Patent No. 3,656,882. Granieri January 17, 1928, to

MEADE WILDRIGIQ,

It is hereby certified that error appears in rire printed, specificationof the above numbered patent requiring correction as foiiowsr Page 5,lines 63, 67 and 68, claim 3, insert the compound word"movemeotobsrucring"; and that the said Leners Patent should be read wiathis eorreetion therein that the same may conform to the record of thecase in the Paem @ffice Signed and sealed this 14th day of February, A.D. 1928.

M. J. Moore, Seal. Acting Commissioner of Patents.

